[dpdk-users] generate ipv6 packets with pktgen

[dpdk-users] generate ipv6 packets with pktgen

[Stefano Salsano]

Hi all,

I need to generate IPv6 packets with pktgen, but I am NOT able to set 
the IPv6 src and dst address

when I only change the packet type of port 0 to IPv6

Pktgen:/> set 0 type ipv6
Pktgen:/> start 0

pktgen sends IPv6 packets with meaningless IPv6 addresses
here is the tcpdump output:
18:23:37.777126 IP6 ::101:a8c0:0:0.0 > ::101:a8c0:0:0.0: Flags [.], ack 
1, win 8192, length 0

but if I try to set the src and dst addresses:

Pktgen:/> set 0 dst ip 2000::1
Pktgen:/> set 0 src ip 2000::2/64

the IP (v4) addresses in the main page display are zeroed:
Dst  IP Address   :             0.0.0.0
Src  IP Address   :             0.0.0.0

and when I ask to generate packets
Pktgen:/> start 0

pktgen sends IPv6 packets with "zeroed" addresses
18:48:42.475672 IP6 ::.0 > ::.0: Flags [.], ack 1, win 8192, length 0

is it possible to set the IPv6 addresses?

thank you
Stefano

-- 
*******************************************************************
Stefano Salsano
Professore Associato
Dipartimento Ingegneria Elettronica
Universita' di Roma Tor Vergata
Viale Politecnico, 1 - 00133 Roma - ITALY

http://netgroup.uniroma2.it/Stefano_Salsano/

E-mail  : stefano.salsano@uniroma2.it
Cell.   : +39 320 4307310
Office  : (Tel.) +39 06 72597770 (Fax.) +39 06 72597435
*******************************************************************

Re: [dpdk-users] generate ipv6 packets with pktgen

[Wiles, Keith]

> On Jun 15, 2018, at 6:52 PM, Stefano Salsano <stefano.salsano@uniroma2.it> wrote:
> 
> Hi all,
> 
> I need to generate IPv6 packets with pktgen, but I am NOT able to set the IPv6 src and dst address
> 
> when I only change the packet type of port 0 to IPv6
> 
> Pktgen:/> set 0 type ipv6
> Pktgen:/> start 0
> 
> pktgen sends IPv6 packets with meaningless IPv6 addresses
> here is the tcpdump output:
> 18:23:37.777126 IP6 ::101:a8c0:0:0.0 > ::101:a8c0:0:0.0: Flags [.], ack 1, win 8192, length 0
> 
> but if I try to set the src and dst addresses:
> 
> Pktgen:/> set 0 dst ip 2000::1
> Pktgen:/> set 0 src ip 2000::2/64
> 
> the IP (v4) addresses in the main page display are zeroed:
> Dst  IP Address   :             0.0.0.0
> Src  IP Address   :             0.0.0.0
> 
> and when I ask to generate packets
> Pktgen:/> start 0
> 
> pktgen sends IPv6 packets with "zeroed" addresses
> 18:48:42.475672 IP6 ::.0 > ::.0: Flags [.], ack 1, win 8192, length 0
> 
> is it possible to set the IPv6 addresses?

The IPv6 address is suppose to be constructed using the IPv4 address, but I guess I did not get that right. I will have to look into the problem unless you would like to fix the problem as I can take patches.

> 
> thank you
> Stefano
> 
> -- 
> *******************************************************************
> Stefano Salsano
> Professore Associato
> Dipartimento Ingegneria Elettronica
> Universita' di Roma Tor Vergata
> Viale Politecnico, 1 - 00133 Roma - ITALY
> 
> http://netgroup.uniroma2.it/Stefano_Salsano/
> 
> E-mail  : stefano.salsano@uniroma2.it
> Cell.   : +39 320 4307310
> Office  : (Tel.) +39 06 72597770 (Fax.) +39 06 72597435
> *******************************************************************
> 

Regards,
Keith

Re: [dpdk-users] generate ipv6 packets with pktgen

[Stefano Salsano]

Ok thank you we will have a look to the code

Il 16 Giugno 2018 15:24:55 CEST, "Wiles, Keith" <keith.wiles@intel.com> ha scritto:
>
>
>> On Jun 15, 2018, at 6:52 PM, Stefano Salsano
><stefano.salsano@uniroma2.it> wrote:
>> 
>> Hi all,
>> 
>> I need to generate IPv6 packets with pktgen, but I am NOT able to set
>the IPv6 src and dst address
>> 
>> when I only change the packet type of port 0 to IPv6
>> 
>> Pktgen:/> set 0 type ipv6
>> Pktgen:/> start 0
>> 
>> pktgen sends IPv6 packets with meaningless IPv6 addresses
>> here is the tcpdump output:
>> 18:23:37.777126 IP6 ::101:a8c0:0:0.0 > ::101:a8c0:0:0.0: Flags [.],
>ack 1, win 8192, length 0
>> 
>> but if I try to set the src and dst addresses:
>> 
>> Pktgen:/> set 0 dst ip 2000::1
>> Pktgen:/> set 0 src ip 2000::2/64
>> 
>> the IP (v4) addresses in the main page display are zeroed:
>> Dst  IP Address   :             0.0.0.0
>> Src  IP Address   :             0.0.0.0
>> 
>> and when I ask to generate packets
>> Pktgen:/> start 0
>> 
>> pktgen sends IPv6 packets with "zeroed" addresses
>> 18:48:42.475672 IP6 ::.0 > ::.0: Flags [.], ack 1, win 8192, length 0
>> 
>> is it possible to set the IPv6 addresses?
>
>The IPv6 address is suppose to be constructed using the IPv4 address,
>but I guess I did not get that right. I will have to look into the
>problem unless you would like to fix the problem as I can take patches.
>
>> 
>> thank you
>> Stefano
>> 
>> -- 
>> *******************************************************************
>> Stefano Salsano
>> Professore Associato
>> Dipartimento Ingegneria Elettronica
>> Universita' di Roma Tor Vergata
>> Viale Politecnico, 1 - 00133 Roma - ITALY
>> 
>> http://netgroup.uniroma2.it/Stefano_Salsano/
>> 
>> E-mail  : stefano.salsano@uniroma2.it
>> Cell.   : +39 320 4307310
>> Office  : (Tel.) +39 06 72597770 (Fax.) +39 06 72597435
>> *******************************************************************
>> 
>
>Regards,
>Keith

-- 
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